INS and adenoma: There was no association between kidney injury and age (p=0.319); blood glucose (p=0.304); LDL cholesterol (p=0.428); comorbidities such as diabetes (p=0.110), cerebrovascular disease (p=0.471), or cardiac diseases (p=0.289); length of hospital stay (p=0.543); use of aspirin (p=0.390), insulin (p=0.108), or beta blockers (p=0.105); and anatomopathological findings as cancer (p=0.716), low grade adenoma (p=0.141), intermediate grade adenoma (p=0.928), or high grade adenoma (p=0.226).